website: Add gem5art post

Signed-off-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Change-Id: I488e96e74e06ba8f116c1bb638b97c933f529988
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/29493
Reviewed-by: Ayaz Akram <yazakram@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: Jason Lowe-Power <power.jg@gmail.com>
3 files changed